No problem, we've got 4640 and 5135 to multiply
4640 × 5135 = 5135 × (4640)
+ 5135 × 0 which equals 0
+ 5135 × 40 what gives us 205400
+ 5135 × 600 resulting in 3081000
+ 5135 × 4000 giving us 20540000

= 23826400
